Boston Area Special Agent in Charge Richard Deslauriers said the visual evidence shows Suspect Number 2 planting a bag possibly containing an IED at the site of the second bombing. Other images showed the two suspects—both young men—walking through the crowd and associating with each other.

Forest Park (Ga.) Police Officer Christopher Simmons used CPR to revive a 41-year-old man who had passed out as he mother drove him to the hospital. A convenience store's video camera captured the incident. Read the full story here.

Police say surveillance video shows Officer Charles Proctor grabbing Jermaine Lacy by the neck at the Lumiere Place Casino on July 5. Lacy, who has been banned from Missouri casinos, had allegedly stolen money from another gambler at the casino.

A Florida judge sentenced two Canadian sisters to 20 hours each of community service with a $250 fine, after a bizarre arrest that involved them dancing and urinating in the Miami Beach Police station.

Carlson's award-winning RuralConnect broadband radio system uses unused TV spectrum, or white space, to enable a wireless signal to surpass almost any obstacle and operate with large amounts of multipath interference.